🔥 Important Python Functions Every Developer Should Know Here is a list of most important built-in Python functions that every developer must know 💪: ✅ Basic Functions Function Description print() =>Console output (data display) input() =>Take user input type() =>Check data type len() =>Count the number of elements id() =>Returns memory address of object ------------------------------------------ 🔢 Number Functions Function Description abs() =>Returns absolute value round() =>Round off the number pow() =>Power of a number pow(x,y) = x^y min() =>Minimum value max() =>Maximum value ------------------------------------------ 🔥 List Functions Function Description append() =>Add item at end insert() =>Add item at index remove() =>Remove specific item pop() =>Remove item from end sort() =>Sort list reverse() =>Reverse list ------------------------------------------ 🎯 String Functions Function Description lower() =>Convert to lowercase upper() =>Convert to uppercase strip() =>Remove whitespace replace() => Replace substring split() =>Split into list join() =>Join list into string ------------------------------------------ 🔑 Dictionary Functions Function Description keys() =>Returns all keys values() =>Returns all values items() =>Returns key-value pairs get() =>Get value by key pop() =>Remove item by key ------------------------------------------ 🌶️ Advanced Functions Function Description map() =>Apply function to all items filter() =>Filter elements based on condition lambda =>Anonymous function zip() =>Combine two lists enumerate() =>Add counter to list ------------------------------------------ 🧠 Important Built-in Functions Function Description isinstance() =>Check if object is instance of class sum() =>Sum of elements all() =>Check if all elements True any() =>Check if any element True sorted() =>Sort elements ------------------------------------------ 🔥 File Handling Functions Function Description open() =>Open file read() =>Read file content write() =>Write to file close() =>Close file ------------------------------------------ Bonus Tips 💪 zip() – Combine multiple lists into tuples map() – Apply a function on every element filter() – Filter elements based on condition enumerate() – Add counter to list items #Python #PythonTutorial #PythonProgramming #PythonCourse #PythonFullCourse #PythonInOneVideo #PythonProject #LearnPython #PythonForBeginners #PythonDeveloper #PythonProject2025 #PythonMiniProject #PythonFinalYearProject #PythonAI #PythonCRUD #PythonAI #PythonML #ChatbotWithPython #AIProjectPython #PythonOpenAI #javascript #PythonInHindi #PythonTutorialHindi #coder #PythonCourseFree #Python2025 #pushpendratips #PythonWithProjects